3MP 5MP Comparison-Two kinds of pixels for you to choose 5MP features higher definition superior than 3MP Bring you a smooth and stunning super HD experience Smart Pan Tilt Rotate-PTZ camera uses pan, tilt, and zoom to provide both wide-area coverage and great detail with a single camera. Use APP to remotely control the camera up/down & left right with less blind area 5X Digital Zoom-If you need view more details press and hold the screen with both hands to Zoom inout and see more details digital zoom is photo zoom instead of optical zoom Ai Human Detect Alert-Quickly finds human targets and immediately sends a notification to your phone let you see what happens anywhere It only detects the human shape and will not trigger falsely for objects such as cars and trees Motion Auto tracking-After locking the target the camera will adjust the pan rotation automatically, Tracking Moving Objects, Cars, Pets, Human, and push alerts notifications to your Smartphone., Manufacturer: MKHJKIOII